Now, scientists think they have unlocked the mystery behind what ignites these celestial objects. Astronomers first discovered quasars, the brightest and most powerful objects in the universe, 60 ...

Chaosmos is a race to find a mysterious artifact that could stave off the end of the universe while other alien artifact hunters try to track you down and ...

Clusters like these are bound together by gravity and house some the universe's oldest stars. Speaking of old, let’s swing by CK Vupleculae, discovered by a French monk and astronomer in 1670.

Gamma-ray bursts are the universe's most powerful explosions, generating more energy in seconds than the sun will in billions of years — and scientists are slowly learning more about these ...